BAS21(2011) 查看數據表（PDF） - Diodes Incorporated.
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BAS21 Datasheet PDF : 4 Pages
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BAS19 / BAS20 / BAS21
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 4)
Average Rectified Output Current (Note 4)
Non-Repetitive Peak Forward Surge Current
Repetitive Peak Forward Surge Current (Note 4)
@ t = 1.0μs
@ t = 1.0s
Symbol
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
IFRM
BAS19
120
100
71
BAS20
200
150
106
400
200
2.5
0.5
625
BAS21
Unit
250
V
200
V
141
V
mA
mA
A
mA
Thermal Characteristics
Characteristic
Power Dissipation (Note 4)
Thermal Resistance Junction to Ambient Air (Note 4)
Operating and Storage Temperature Range
Symbol
PD
RθJA
TJ , TSTG
Value
250
500
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 5)
Forward Voltage
Symbol
Min
BAS19
120
BAS20
V(BR)R
200
BAS21
250
VF
⎯
Reverse Current @ Rated DC Blocking Voltage (Note 5)
Total Capacitance
Reverse Recovery Time
IR
⎯
CT
⎯
trr
⎯
Max
⎯
1.0
1.25
100
15
5.0
50
Unit
V
V
nA
μA
pF
ns
Test Condition
IR = 100μA
IF = 100mA
IF = 200mA
TJ = 25°C
TJ = 100°C
VR = 0, f = 1.0MHz
IF = IR = 30mA,
Irr = 0.1 x IR, RL = 100Ω
Notes:
4. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com.
5. Short duration pulse test used to minimize self-heating effect.
250
1
200
Note 4
0.1
150
100
50
0
0
40
80
120
160 200
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
0.01
0.001
0
0.2 0.4 0. 6 0.8 1.0 1.2 1.4
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
BAS19 / BAS20 / BAS21
Document number: DS12004 Rev. 21 - 2
2 of 4
www.diodes.com
November 2011
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